Orthocoronavirinae infectious disease

This early-stage trial tested a new COVID-19 booster vaccine, STX-S, in 60 healthy adults who had already received a primary vaccine series and at least one booster. The vaccine uses tiny particles called exosomes to deliver spike proteins. The main goal was to check safety and s…

This study tested whether getting a different COVID-19 vaccine for the second shot (instead of the same one) is safe and boosts immunity. 100 healthy adults who had already received one dose of the AZD1222 vaccine were randomly assigned to get either the same vaccine or a differe…

This large, final-stage study tested a new combination vaccine that aims to protect against both COVID-19 and the flu with a single shot. About 9,300 adults aged 65 and older took part, receiving either the combo vaccine or a standard high-dose flu vaccine. Researchers checked ho…

This study tested a new vaccine designed to protect against the Omicron JN.1 variant of COVID-19. About 120 adults aged 65 and older, and teens and adults aged 12 to 64 with health conditions that increase COVID-19 risk, received one dose. Researchers checked how well the vaccine…

This study tested an updated RNA-based COVID-19 vaccine designed for the 2025-2026 season. It involved 774 participants aged 12 and older, including those 65+ and younger people with health conditions that raise their risk of severe COVID-19. Everyone received one shot, and resea…

This large study tested the Pfizer-BioNTech COVID-19 vaccine in over 11,800 healthy children aged 6 months to 12 years. Researchers looked at side effects and immune responses after different doses. The goal was to find the right dose that is safe and triggers strong protection. …

This study tested Novavax's COVID-19 vaccine in 3,600 children aged 6 months to 12 years. The goal was to see if the vaccine is safe and triggers a strong immune response. Children received two doses 21 days apart, with some getting a placebo. The trial is complete, and results w…

This study tested whether a third dose of either the CoronaVac or Comirnaty vaccine boosts immunity better in adults who had two prior doses at least six months earlier. Researchers measured antibody levels in 451 participants from Hong Kong 28 days after the booster. The goal wa…

This study tested an experimental vaccine called VBI-2901a in 103 healthy adults aged 18-64 who had already received at least two doses of a licensed COVID-19 vaccine. The vaccine is designed to protect against three coronaviruses: SARS-CoV-2 (which causes COVID-19), SARS-CoV-1, …

This study tested a single combination vaccine that aims to protect against both COVID-19 and influenza at the same time. About 980 adults aged 50 and older received either the combo shot, a flu shot alone, a COVID-19 shot alone, or both shots separately. Researchers monitored sa…

This study tested a single combination vaccine that targets both COVID-19 and influenza in adults aged 50 and older. About 980 participants received either the combo shot, the flu vaccine alone, the COVID-19 vaccine alone, or separate shots in each arm. Researchers monitored safe…

This study tested updated versions of the Pfizer-BioNTech COVID-19 vaccine designed to target newer Omicron variants (XBB.1.5, JN.1, and KP.2). Over 1,000 healthy people aged 12 and older received a single dose. The main goals were to check safety and measure the immune response.…

This large study tested Moderna's COVID-19 mRNA vaccine in over 14,000 people living with HIV or other conditions that increase the risk of severe COVID-19. The goal was to see how well different vaccine doses prevent COVID-19. Participants received either the original or an upda…

This study tested whether a vaccine called VPM1002 could help healthcare workers miss fewer days of work due to respiratory illnesses, including COVID-19. About 1,200 doctors, nurses, and other hospital staff received either the vaccine or a placebo. The goal was to see if the va…

This study tested whether three different manufacturing batches (lots) of Novavax's COVID-19 vaccine produce the same immune response and safety in adults. About 900 healthy adults aged 18 to 49 who had already been vaccinated received one of the three lots. The results help ensu…

This study looked at whether people who had COVID-19 more than 5 months ago need only one dose of the Pfizer mRNA vaccine, instead of the usual two. It included 267 healthy adults aged 18-45 or 65 and older, some with prior infection and some without. Researchers measured antibod…

This large study tested the safety and effectiveness of the Pfizer-BioNTech mRNA vaccine (BNT162b2) against COVID-19 in nearly 47,000 healthy volunteers aged 12 and older. Participants received two doses of the vaccine or a placebo, and the trial also explored booster doses and p…

This study looked at whether a smaller (fractional) dose of the Pfizer-BioNTech COVID-19 booster works as well as the standard dose. It involved 601 healthy adults in Mongolia who had already received two doses of Sinopharm, AstraZeneca, or Sputnik vaccines 6 to 9 months earlier.…

This Phase 2 trial tested the BNT162b2 mRNA vaccine in 960 healthy Chinese adults aged 18 to 85. Participants received two doses of either the vaccine or a placebo, 21 days apart. The main goal was to check safety and measure the immune response, specifically neutralizing antibod…

This study tested the CoviVac COVID-19 vaccine in 200 healthy adults aged 60 and older. Researchers checked how safe the vaccine was and how well it boosted the immune system. The goal was to see if the vaccine could help prevent COVID-19 in this age group.

This study tested a new booster vaccine called PHH-1V81, designed to target recent COVID-19 variants. About 900 adults who had already received mRNA vaccines got either the new booster or an existing one. Researchers checked for side effects and measured immune responses to see i…

This study tested a new booster vaccine called PHH-1V in 887 adults who had already received two doses of the Pfizer COVID-19 vaccine. The goal was to see if the new booster was as safe and effective as a third Pfizer dose. The trial also looked at the effects of a fourth dose of…

This study tested a booster shot called BIMERVAX in 242 teenagers aged 12 to 17 who had already received a different COVID-19 vaccine. The goal was to see if it safely boosts their immune protection against the virus, including the Omicron variant. Participants were followed for …

This study tested the safety and immune response of several Moderna mRNA vaccines for COVID-19, seasonal flu, RSV, and CMV in 308 healthy adults aged 18 to 75. Researchers monitored side effects and measured antibody levels after vaccination. The goal was to ensure the vaccines a…

This early-stage trial tested a new COVID-19 vaccine called ABNCoV2 in 45 healthy adults who had never had COVID-19. The vaccine uses a virus-like particle to train the immune system, and some doses included an adjuvant to boost response. The main goals were to check safety and m…

This study tested different COVID-19 booster vaccines (Janssen, Moderna, Pfizer, Novavax) in about 1,900 adolescents and adults aged 12 to 64 in Kenya, Democratic Republic of Congo, and Rwanda. Some participants had HIV, and others did not. The goal was to see if mixing vaccine t…

This study tested a new COVID-19 vaccine called GEO-CM04S1 in 119 healthy adults. The vaccine uses a modified virus to teach the body to fight SARS-CoV-2. Researchers checked for side effects and measured antibody levels to see if the vaccine works. The trial is now complete.

This study looked at whether giving the HPV vaccine and the Moderna COVID-19 vaccine at the same time is safe and works well for children aged 9 to 11. About 165 boys and girls took part. The researchers compared kids who got both vaccines on the same day to those who got them on…

This study tested new modified RNA vaccines that target both influenza and COVID-19, given as a single shot. Over 2,600 healthy adults aged 18 and older took part, receiving either a flu vaccine, a COVID-19 vaccine, or a combination of both. The main goal was to check safety and …

This Phase 2 trial tested a new DNA vaccine called INO-4700 in 192 healthy adults to see if it is safe and can trigger an immune response against MERS, a serious coronavirus. The vaccine is given as a shot under the skin followed by a quick electric pulse to help cells take up th…

This early-stage study tested a new COVID-19 vaccine given as a nasal spray. It involved 27 healthy adults aged 18 to 50. The vaccine uses a weakened virus to teach the body to fight SARS-CoV-2. The main goal was to check safety and see if the vaccine triggers an immune response.

This study tested a new recombinant COVID-19 vaccine (made using CHO cells) in healthy people aged 3 and older. The trial involved 3,100 participants across two phases to check safety, side effects, and immune response. Participants received either a low or high dose of the vacci…

This early-stage trial tested a new recombinant COVID-19 vaccine (GEN2) in 234 healthy adults aged 18 and older. The main goal was to check safety and how well the body's immune system responds. Participants received one of three different doses or a placebo, and researchers moni…

This early-stage study tested an experimental RNA-based COVID-19 booster vaccine in 383 healthy adults who had already received a COVID-19 vaccine. The goal was to find a safe dose and see how well the body's immune system responded. Researchers looked at side effects and immune …

This completed phase 3 trial tested whether giving an RSV vaccine and a COVID-19 mRNA vaccine at the same time is as safe and effective as giving them separately. About 841 adults aged 50 and older took part. Researchers measured immune responses and side effects one month after …

This early-stage trial tested several experimental mRNA vaccines that aim to protect against both influenza and SARS-CoV-2 in a single injection. About 1,758 healthy adults aged 18 to under 80 took part. The main goals were to check safety and measure the immune response, with re…

This completed Phase 1/2 trial tested a new DNA booster vaccine called Covigenix VAX-002 in 46 healthy adults aged 18 and older. The vaccine is designed to protect against newer COVID-19 variants like Omicron. Participants had already received a primary COVID-19 vaccine or booste…

This study tested whether a mobile phone program with culturally tailored education could increase COVID-19 vaccination among Latino families in Los Angeles. It included 468 Latino adults with unvaccinated children. The program aimed to improve vaccination rates for kids ages 12-…

This study tested a new type of COVID-19 vaccine (ARCT-2303) in adults who had already received a COVID-19 vaccine. Some participants got the COVID-19 vaccine at the same time as the seasonal flu shot, while others got it alone. The goal was to see if the combination was safe and…

This completed Phase 1 trial tested a nasal COVID-19 vaccine called COV2 in 40 healthy adults aged 18-75. The study compared two dose levels (low and high) and two administration methods (nasal drops vs. spray) to see which is safest and best at boosting immunity. Participants in…

This study looked at how well the Pfizer mRNA vaccine triggers an immune response in people with weakened immune systems compared to healthy individuals. About 539 adults received two doses of the vaccine, and researchers measured antibody levels and side effects. The goal was to…

This study tested a single combined vaccine that aims to protect against both COVID-19 and influenza. About 8,800 healthy adults received either the combo shot or separate vaccines. Researchers checked for side effects and measured immune responses over six months to see if the c…

This study tested a new combination vaccine called mRNA-1083 that aims to protect against both COVID-19 and the flu with a single shot. It involved 2,457 healthy adults aged 50 and older in Japan, Taiwan, and South Korea. The main goals were to check how well the vaccine triggers…

This study tested two updated mRNA COVID-19 vaccines in over 1,800 children aged 6 months to under 6 years. The vaccines were given as a primary series or booster to see if they are safe and trigger a strong immune response against variants like Omicron. The goal is to protect yo…

This early-stage trial tested a new COVID-19 booster vaccine given as a nasal spray in 60 adults who had already received at least one mRNA COVID-19 booster. The main goal was to check safety and how well the body's immune system responds. The vaccine uses a harmless mouse virus …

This large Phase 3 trial tested whether giving healthy people who already received the Pfizer-BioNTech COVID-19 vaccine one or more extra doses (boosters) is safe and effective. Over 16,000 participants in several countries received either the original vaccine, a version adapted …

This study tested a new type of COVID-19 vaccine called ARCT-154, which uses self-amplifying RNA technology to potentially provide stronger protection. Nearly 20,000 adults in Vietnam, including those with health conditions, received the vaccine or a placebo. Researchers measured…

This phase 2 study tested several new mRNA COVID-19 booster vaccines in 692 healthy adults who had already received a primary vaccine series. The goal was to compare the safety and immune response of these experimental boosters against a control vaccine. Participants received a s…

This study tested a Novavax COVID-19 booster vaccine in 21 people with weakened immune systems due to inflammatory bowel disease or organ transplants. The goal was to see if the booster improved antibody levels and immune protection against COVID-19. Participants had already rece…

This study looked at whether giving Regeneron's antibody treatment (casirivimab+imdevimab) along with the Moderna COVID-19 vaccine changes how well the vaccine works. About 295 healthy adults took part. Researchers measured immune responses and checked safety to see if the timing…

This Phase 2 trial tested updated mRNA vaccines designed to target specific COVID-19 variants, including Omicron. Over 1,200 adults who were already vaccinated received one or two doses of these variant vaccines. The goal was to see if these updated shots could boost the immune s…

This study tested a new combination vaccine called mRNA-1083 that aims to protect against both flu and COVID-19 in a single shot. About 1,320 adults aged 18 to 64 took part. Researchers measured the immune response and checked for side effects to see if the combo vaccine works as…

This study tested three new self-amplifying RNA vaccines against COVID-19 in 72 healthy adults, some already vaccinated and some not. The goal was to check safety and how well the vaccines boost the immune system. Results help decide which vaccine candidates to study further.

This study tested a single shot that aims to protect against both COVID-19 and the flu. About 932 adults aged 50 to 64 received the experimental mRNA-1083 vaccine. Researchers checked for side effects and measured antibody levels one month after vaccination to see how well the va…

This study looks at health records from about 99,000 adults in Ontario who had COVID-19 and visited a pharmacist. It compares those who got Paxlovid (nirmatrelvir-ritonavir) with those who didn't, to see if the drug lowers the chance of hospitalization, ICU admission, or death wi…

This study tests an experimental drug called SPI-1005 (ebselen) in adults hospitalized with severe COVID-19. Participants receive either the drug or a placebo to see if the drug is safe and helps improve recovery. The trial is randomized and double-blind, meaning neither patients…

This study investigates whether respiratory muscle training and walking exercises can improve lung function, reduce breathlessness, and enhance quality of life in women who have recovered from COVID-19 pneumonia. Eighty women aged 20 to 45 are divided into four groups: a combinat…

This trial investigates whether famotidine, the active ingredient in Pepcid, can help relieve COVID-19 symptoms in adults who are not sick enough to be hospitalized. Participants receive either famotidine or a placebo, along with standard care, and report their symptoms remotely.…

This study looked at whether giving plasma (the liquid part of blood) from people who recovered from COVID-19 could help critically ill patients fight the virus. The plan was to collect plasma from up to 240 recovered donors and give it to sick patients. However, the plasma donat…

This large, completed trial tested several potential COVID-19 treatments in over 1,500 hospitalized adults across Europe. Earlier drugs like remdesivir and hydroxychloroquine were dropped after showing no benefit. The current phase is testing a new antibody combination called AZD…

This study tested whether giving early treatment to adults with COVID-19 who have risk factors (like age over 60 or high blood pressure) could prevent them from needing oxygen, hospitalization, or dying. About 412 people took part. The goal was to see if these treatments are safe…

This early-stage study tested a single dose of mesenchymal stromal cells in 7 COVID-19 patients with severe acute respiratory distress syndrome (ARDS) who were on ventilators. The main goal was to check safety, looking for serious side effects like heart problems or blood clots w…

This study tested whether nintedanib, a drug used for other lung diseases, can slow down lung damage in people who had severe COVID-19. It included 103 adults who still had lung problems more than 30 days after their COVID diagnosis. The main goal was to see if the drug helped ma…

This small pilot study tested whether adding pegylated interferon lambda to standard care helps hospitalized adults with mild-to-moderate COVID-19 recover faster. Nine participants were randomly assigned to receive the drug or standard care alone. The study measured how long the …

This study tested whether giving plasma from people who recovered from COVID-19 to those with severe or critical COVID-19 is safe and helps them get better. 350 adults received the plasma treatment. The main goals were to track serious side effects and see if fewer people died wi…

This study tested whether three common drugs—metformin, ivermectin, and fluvoxamine—could prevent severe illness and long COVID in 1,323 adults with early COVID-19. Participants were overweight or obese and not hospitalized. The key finding was that metformin reduced the risk of …

This study looked at whether giving an extra dose of the mRNA COVID-19 vaccine (Pfizer or Moderna) to kidney and liver transplant recipients could boost their antibody levels. Some participants also temporarily reduced their immunosuppressive medications to see if that helped the…

This study tested a treatment called INM005, made from antibodies produced in horses, for adults hospitalized with moderate to severe COVID-19. The goal was to see if it could help patients recover faster, measured by improvement on a standard health scale 28 days after treatment…

This study tested whether early treatment or preventive medication can help adults with COVID-19 feel better faster. 92 participants took part, and researchers tracked their symptoms daily for 28 days. The goal was to see if the treatments could reduce how long symptoms last and …

This study tracked over 4,200 immunocompromised patients who received monoclonal antibodies to prevent or treat severe COVID-19. Researchers measured how many were hospitalized or died from the virus. The goal was to see if these antibody treatments help protect people whose immu…

This early-stage trial tested the safety and tolerability of a new drug called PA-001 in 47 healthy and elderly volunteers. Participants received either PA-001 or a placebo through an IV. The main goal was to see if the drug causes any side effects and to understand how the body …

This study tested whether giving the oral polio vaccine (OPV) to adults over 50 in Guinea-Bissau could reduce their risk of getting sick or dying from COVID-19 and other infections. Researchers enrolled about 3,700 people and gave half the vaccine plus COVID-19 advice, while the …

This study tested a drug called Auxora in 314 people with severe COVID-19 pneumonia. The goal was to see if it could help patients recover faster and reduce the need for breathing machines. Participants received either Auxora or a placebo, along with standard treatments. Results …

This study tested whether breathing in nitric oxide gas can improve oxygen levels in severely ill COVID-19 patients who are on ventilators. Researchers enrolled 200 adults in the ICU with confirmed COVID-19 and severe breathing problems. Patients received either standard care plu…

This completed study in Brazil looked at whether a fourth dose of a COVID-19 vaccine helps protect people aged 60 and older from hospitalization and death. Researchers tracked 260 elderly participants who received a second booster and compared their immune responses to samples fr…

This study tested whether a single dose of stem cells (mesenchymal stromal cells) could help patients with severe COVID-19 lung inflammation breathe better. Twenty adults with confirmed COVID-19 and acute respiratory distress syndrome were randomly assigned to receive either the …

This study tested whether a steroid (beclomethasone) placed directly in the nose using a tiny sponge could help people who lost their sense of smell after COVID-19. Sixteen adults with smell loss lasting over 3 months received either the steroid or a placebo sponge twice, two wee…

This study looked at 84 hospitalized adults with severe COVID-19 who received the drug remdesivir. Researchers analyzed their recovery over 15 days to see how the drug affected their clinical course. The goal was to understand if remdesivir helps improve outcomes in severe cases.

This study tested two smartphone apps designed to reduce risky drinking and its effects during the COVID-19 pandemic. One app focused on the drinker, the other on their family partner. About 400 pairs (a drinker and a family member) joined the 12-month study. The goal was to see …

This early-stage study tested the safety of an experimental oral drug called MSP008-22 in 64 healthy adults aged 18-50. The goal was to see if the drug is safe and how the body processes it. This is a first step toward possibly using it to control COVID-19, but it does not aim to…

This early study tested whether over-the-counter mouthwash could lower the amount of SARS-CoV-2 virus people breathe out. 34 adults with recent COVID-19 used mouthwash or water, and researchers measured virus in their breath and saliva before and after rinsing. The goal was to se…

This study tested whether common blood pressure medications (ACE inhibitors or ARBs) could improve outcomes for high-risk COVID-19 patients. Researchers enrolled 372 adults with confirmed COVID-19 who were either over 40 (outpatients) or over 18 (hospitalized). The goal was to se…

This early-stage trial tested a new cell therapy called agenT-797 in 20 hospitalized COVID-19 patients with moderate to severe breathing distress. The therapy uses immune cells from a healthy donor to calm inflammation and fight the virus. The main goals were to check safety and …

This study tested whether giving muscle relaxants along with sedation helps improve oxygen levels in patients with severe COVID-19 lung failure (ARDS) who need a breathing machine. Forty adults were enrolled. The goal was to see if this approach could reduce complications and imp…

This study tested whether low-dose hydrocortisone, a common steroid, can help people with severe community-acquired pneumonia survive. Over 950 critically ill adults in intensive care received either the steroid or a placebo, alongside standard antibiotics and support. The goal w…

This Phase 2 trial tested whether combining famotidine (Pepcid) and celecoxib (Celebrex) could help people with COVID-19 recover faster. Only 4 participants were enrolled, making it too small to draw firm conclusions. The study aimed to see if these drugs could reduce symptom sev…

This study tested whether using very small breaths (ultraprotective ventilation) on a breathing machine, without a heart-lung bypass machine, could improve survival and reduce time on the ventilator for COVID-19 patients with severe lung injury. About 220 adults with confirmed CO…

This small pilot study tested whether a sustained-release ammonium chloride formula (with vitamin D) can reduce virus levels in adults with mild or moderate COVID-19 or influenza. 32 participants took either the active formula or a vitamin D-only control twice daily for 10 days. …

This completed Phase 2 trial tested whether inhaling a green tea extract called EGCG could help cancer patients with moderate-to-severe COVID-19 pneumonia. 111 participants received either EGCG mist or a placebo three times daily for 7 days. The study looked at lung CT scan impro…

This study tested two drugs, ruxolitinib and fostamatinib, in hospitalized adults with mild to moderate COVID-19 pneumonia. The goal was to see if either drug could prevent the disease from becoming severe. 185 patients were randomly assigned to receive one of the drugs or standa…

This study looked at whether giving hospital-level care to acutely ill adults in their own homes in rural areas works well. 160 people with various conditions like infections, heart failure, or COPD took part. The goal was to see if this approach could lower costs and help patien…

This early-stage study tested a new drug called SIR1-365 in 45 hospitalized adults with severe COVID-19. The main goal was to see if the drug is safe and tolerable. Researchers also looked at whether it could reduce inflammation and improve patient outcomes. The trial was complet…

This study looked at whether giving nebulised heparin (a blood thinner delivered as a mist) to COVID-19 patients on mechanical ventilation could help them get off the breathing machine sooner and reduce deaths. The trial combined data from several smaller studies in Australia, Ir…

This study tested two drugs—remdesivir and aviptadil—in hospitalized COVID-19 patients with severe breathing failure. About 473 participants received either a study drug plus standard care or a placebo plus standard care. The goal was to see if these drugs could safely improve ou…

This study tested a drug called crizanlizumab in 117 children aged 2 to 18 with sickle cell disease who have had painful vaso-occlusive crises. The goal was to find the right dose and check safety, with some children also taking hydroxyurea. The drug works by blocking a protein i…

This study tested a drug called leronlimab in 484 hospitalized adults with severe or critical COVID-19. Participants received weekly injections of the drug or a placebo to see if it could lower the risk of death and improve recovery. The trial is now complete, and results help un…

This early-stage study tested whether a combination of two antibodies (casirivimab and imdevimab) is safe and tolerable in healthy adults. Forty-five volunteers received the antibodies either as a shot under the skin or through an IV. The main goal was to check for side effects, …

This completed Phase 3 trial tested the safety and effectiveness of remdesivir in 87 hospitalized COVID-19 patients with acute respiratory distress syndrome (severe breathing failure). Participants received either remdesivir plus standard care or a placebo plus standard care for …

This phase 3 trial tested whether the drug aviptadil can help hospitalized COVID-19 patients with acute respiratory distress syndrome (ARDS). 471 participants received either aviptadil plus standard care or a placebo plus standard care. The main goal was to see how well patients …

This study tested a quick finger-prick blood test to see if cancer patients had been infected with COVID-19 in the past. Researchers enrolled 214 adults being treated for cancer. The goal was to find out how many had antibodies, including those without symptoms, to help clinics k…

This study looked at whether PET-CT scans can detect unique signs of COVID-19 in the lungs. Researchers scanned 22 patients suspected of having lung infections and compared the images to their COVID-19 test results. The goal was to find patterns that could help diagnose COVID-19 …

This study tested two new rapid tests that use a single nose swab to detect COVID-19, influenza A/B, and RSV. Researchers checked how accurate the tests are compared to standard lab methods and whether healthcare workers find them easy to use. The study involved 589 people with s…

This study collected nasal swabs, throat swabs, and saliva samples from 79 people with symptoms of flu, RSV, or COVID-19. The samples were used to help evaluate a point-of-care device called LumiraDx, which aims to quickly and accurately detect these viruses. The study focused on…

This study evaluates how well the LumiraDx SARS-CoV-2 Ag ULTRA test detects COVID-19 when used at point-of-care locations like clinics or pharmacies. Participants with COVID-19 symptoms provide nasal and nasopharyngeal swabs, and the test results are compared to a standard lab re…

This study checks whether a fingerstick blood test for COVID-19 antibodies gives the same results as standard lab tests using blood from a vein. About 42 people who recently had a positive COVID-19 PCR test will provide both fingerstick and venous blood samples. The goal is to se…

This study collected nose, throat, and blood samples from 523 adults with COVID-19 symptoms or a past positive test. The goal was to help develop and check the accuracy of a new rapid test for detecting COVID-19 antibodies and viral proteins. The test is designed to be used at th…

This study checked how well a new rapid test (LumiraDx) detects COVID-19 and flu A/B from a simple nose swab. Over 1,000 people with symptoms took part at clinics. The test aims to give fast results at the point of care, helping doctors tell these illnesses apart quickly.

This study looked at how well a new, quick finger-prick test (LumiraDx CRP) measures CRP levels compared to a standard lab test. CRP is a marker of infection, inflammation, or tissue injury. 79 adults with symptoms of these conditions took part. The goal was to see if the new tes…

This study checked how accurate two rapid tests (LumiraDx SARS-CoV-2 Ag Ultra and LumiraDx SARS-CoV-2 & Flu A/B) are at detecting COVID-19 and flu in people with symptoms. 716 participants provided nasal swabs at clinics. The results were compared to standard lab tests to measure…

This study tested a quick COVID-19 antigen test called LumiraDx at various point-of-care sites, like clinics. Over 1,100 people with COVID-19 symptoms took part. The test's accuracy was compared to standard lab methods to see how well it detects the virus.

This study tested a new saliva-based test for SARS-CoV-2 that gives results in less than an hour, without needing lab equipment. Researchers compared it to the standard PCR method using samples from 627 people, including healthcare workers and patients. The goal was to see if thi…

This study tested whether a shallow (2 cm) or deeper (4 cm) nasal swab is better at detecting COVID-19 using rapid antigen tests. Over 300 adults in Denmark each received both swab depths, and results were compared to a standard throat PCR test. The goal was to find the best bala…

This study checked how well a new rapid test, TestNPass, can detect COVID-19 using a nose swab. It involved 400 adults at a hospital in France. The goal was to see if the test is accurate enough to replace slower PCR tests and provide a digital health pass.

This study tested a new way to diagnose COVID-19 using a saliva sample instead of the standard nose/throat swab. Researchers compared the new method to the usual one in 130 adults at a hospital in France. The goal was to see if the saliva test works just as well, which could make…

This study checked how well a new test called VitaSIRO solo™ detects COVID-19, flu, and RSV in people with respiratory symptoms. Over 1,200 participants provided nose and throat swabs. The test's accuracy was compared to standard lab methods.

This study checked whether 3D-printed nasal swabs work as well as standard swabs for diagnosing COVID-19. About 1,179 people who had COVID-19 symptoms or were recently exposed took part. Researchers compared the new swabs' accuracy and safety, like nosebleed risk, to the usual on…

This study tested whether saliva samples can detect the COVID-19 virus as well as the standard nose swab test. Over 5,000 people provided both nose swabs and saliva samples, which were compared using different detection methods. The goal was to see if a simpler, less invasive spi…

This study by Mayo Clinic tested whether analyzing chemicals in a person's breath could help diagnose or predict the course of liver disease, liver cancer, and COVID-19. Researchers collected breath samples from 46 participants and looked for unique patterns of volatile organic c…

This study looked at CT scans from over 10,000 people to see if they can help diagnose COVID-19 more accurately. Researchers compared CT results with standard PCR tests and also used AI to predict which patients might need a ventilator. The goal is to make diagnosis faster and he…

This study tested a new rapid test that checks for flu A, flu B, COVID-19, and RSV using one nasal swab. Over 1,100 people with respiratory symptoms took part. The goal was to see how well the test works compared to standard lab tests.

This study checked how well a new rapid test (iHealth COVID-19/Flu A&B) can detect COVID-19 and flu A and B in people with respiratory symptoms. About 588 people with two or more symptoms provided nose swabs. The test's results were compared to a standard lab test to see how accu…

This early study tested whether a special PET scan using a radioactive form of vitamin B9 (11C-PABA) can help doctors see infections deep inside the body. Researchers scanned 13 healthy people and patients with known or suspected infections. The goal was to see if this method can…

This study tested two new types of biosensor platforms to detect viruses, bacteria, and parasites in blood and respiratory samples. The goal was to see if these devices could be accurate, fast, and cheap alternatives to standard lab tests. Researchers enrolled 149 adults with or …

This completed study looked at how well two different blood tests could detect antibodies against the virus that causes COVID-19. Researchers followed 829 adults who had tested positive for COVID-19, checking their blood during hospitalization and for up to 12 months afterward. T…

This study tested whether adding a rapid tuberculosis (TB) test to standard care for children hospitalized with severe pneumonia could reduce deaths. Over 2,500 children aged 2 to 59 months in six high-TB countries were enrolled. The test, called Xpert MTB/RIF Ultra, was done on …

This study tested 949 adults with COVID-19 symptoms to see how well saliva samples work compared to standard nasopharyngeal swabs. Each participant gave four samples: saliva for a rapid test and for PCR, and a nasal swab for both tests. The goal was to find out which combination …

This study tested an experimental antibody called AZD3152 to see if it can safely prevent COVID-19 in people with weakened immune systems. About 3,882 adults received either the antibody or a placebo/comparator. The goal was to measure how well the antibody neutralizes the virus …

This study tested a nose spray containing heparin, a common and safe medicine, to see if it could stop the spread of COVID-19 within households. Over 500 people who lived with someone who tested positive for COVID-19 used the spray or a dummy spray three times a day for 10 days. …

This large Phase 3 trial compared a new experimental mRNA COVID-19 vaccine (mRNA-1283) with Moderna's original vaccine (mRNA-1273) in over 13,500 people aged 12 and older. The goal was to see if the new vaccine is safer, triggers a better immune response, and prevents COVID-19 at…

This Phase 2 trial tested whether thymalfasin, a synthetic version of a natural immune-boosting protein, could prevent COVID-19 infection in 189 kidney dialysis patients. These patients are at high risk due to weakened immune systems and frequent clinic visits. The study measured…

This study looked at whether a medicine called Evusheld can prevent COVID-19 in people with weakened immune systems who did not get protection from vaccines. The study included 88 adults who were at high risk. Researchers tracked how many got sick with COVID-19 symptoms to see if…

This study looked at whether taking different amounts of vitamin D could lower the risk of getting COVID-19. About 1,475 adults from the Chicago area took either a low (400 IU), moderate (4,000 IU), or high (10,000 IU) daily dose of vitamin D for 9 months. Researchers tracked who…

This study tested whether using box fans with special filters and improving home ventilation could lower the chance of COVID-19 spreading from one infected person to others living in the same home. Researchers studied 214 people living in households with at least 3 members. The g…

This study tested how well two different 2023-2024 updated COVID-19 vaccines (Novavax and Pfizer mRNA) protect adults from getting sick with COVID-19. About 1,200 adults who had already received at least two mRNA vaccine doses were randomly assigned to get either the Novavax or P…

This study tested a training program called SAFE for people with intellectual or developmental disabilities who are working or looking for work. The program taught them about COVID-19, how to use protective gear, social distancing, and self-advocacy. 67 young adults took part, an…

This completed study looked at whether a drug called Dimolegin can safely prevent blood clots in adults hospitalized with moderate COVID-19. A total of 184 participants took a 60 mg tablet once daily as part of their regular care. The main goal was to check for serious bleeding a…

This study tested whether far-UVC light, a safe type of ultraviolet light, can reduce respiratory infections like flu and COVID-19 in long-term care facilities. The trial involved 550 elderly residents who are at higher risk due to age and health conditions. The light was used as…

This completed study looked at whether lupus patients already taking hydroxychloroquine long-term had a lower risk of catching COVID-19 or developing severe symptoms. Researchers compared 552 patients who either took the drug or did not, using blood tests and questionnaires. The …

This phase 3 trial tested whether a biologic called IMM-101 could reduce severe respiratory infections, including COVID-19, in cancer patients at higher risk. 195 participants either received three doses of IMM-101 or were simply observed. The goal was to see if the treatment cou…

This study tested whether the dietary supplement MitoQ could prevent severe viral infections, like COVID-19, in adults who had close contact with a sick person. Eighty asymptomatic adults were given MitoQ or no treatment and monitored for illness. The goal was to see if the suppl…

This study tested two practical methods to increase COVID-19 vaccination among over 65,000 patients at Utah community health centers. One group received text message reminders to get vaccinated, while another group got texts plus a personal navigator to help with logistics like s…

This study looked at whether taking a moderate dose (4,000 IU) of vitamin D daily could lower the chance of getting COVID-19 compared to a low dose (400 IU). Over 2,000 adults in the US took part for 12 months. The goal was to see if vitamin D can help prevent COVID-19 infection.

This phase 3 trial tested a new COVID-19 vaccine called S-268019-b in nearly 10,000 adults. Participants received either the vaccine or a placebo to see if it could prevent COVID-19. The study looked at how many people got sick after vaccination and checked for safety and immune …

This study tested whether hydroxychloroquine or azithromycin could prevent COVID-19 infection in hospital workers who were regularly exposed to the virus. 122 participants took one of the drugs or a placebo for 40 days. The study found no significant difference in infection rates…

This study looked at whether testing people for COVID-19 just before a large indoor concert could keep the event from causing new infections. Over 6,600 healthy adults aged 18-45 either attended the concert after a negative test or stayed home. The goal was to see if the concert …

This study tested whether monthly 45-minute psychological interviews over 6 months could reduce post-traumatic stress symptoms in cancer patients affected by the COVID-19 pandemic. It included 29 adults with solid tumors who had moderate to high PTSD symptoms. The goal was to see…

This study tested a mobile app called EASE to help people manage anxiety and depression during the COVID-19 pandemic. It included 822 adults who identified as Black, Hispanic, or American Indian and had significant anxiety or depression symptoms. The app provided symptom tracking…

This study tested whether transcranial magnetic stimulation (TMS) can reduce apathy—a severe lack of motivation—in older veterans with mild cognitive impairment (MCI). About 103 participants received either real or fake TMS over 20 sessions. The goal was to see if TMS could impro…

This completed study looked at whether a once-a-week home-based resistance exercise program could help reduce fatigue in veterans aged 50 and older with Long COVID. The study enrolled 21 participants and measured changes in muscle strength and perceived tiredness. The goal was to…

This study tested whether a low-sugar diet, eating only during a 8-12 hour window each day, and periodic water fasts could reduce Long COVID symptoms. 77 adults with at least five Long COVID symptoms participated. The goal was to see if these dietary changes could lower symptom s…

This study looked at whether lying face down (prone positioning) helps hospitalized COVID-19 patients who have low oxygen levels but are not candidates for breathing machines. About 596 adults took part. The goal was to see if this simple position change could lower the chance of…

This study tested whether a simple home program of breathing exercises and walking at least 6000 steps daily could ease long COVID symptoms like cough, breathlessness, and fatigue. Forty adults with long COVID followed the program for six weeks. Researchers tracked changes in sym…

This study tested whether showing children a visual guide about the dentist's office could lower their anxiety. 70 kids aged 5 to 14 were split into two groups: one got the picture-based lesson, the other got standard care. The children who saw the pictures reported less fear and…

This study tested a breathing exercise program for people with long COVID who still feel short of breath. 40 adults took part to see if the exercises could improve their breathing and daily activities compared to usual care. The goal was to find a simple way to help manage this c…

This study tested whether a gentle, noninvasive microcurrent treatment can reduce muscle pain in people who had COVID-19. Forty adults with post-COVID musculoskeletal pain were randomly assigned to receive either real or sham microcurrent therapy for 12 sessions. Researchers meas…

This completed study tested a digital rehab program combining cognitive training, physical exercise, and mindfulness for people with long COVID who have memory and thinking problems. 172 adults with persistent cognitive symptoms at least 12 weeks after COVID-19 took part. The pro…

This study tested Pycnogenol, a natural pine bark extract, against a placebo in 153 adults with Long COVID. The goal was to see if it improves overall health and reduces symptoms like fatigue and brain fog. Participants took the supplement for 12 weeks and reported their health s…

This study tested whether breathing pure oxygen in a pressurized chamber (hyperbaric oxygen therapy) helps moderate-to-severe COVID-19 patients with low oxygen levels. Thirty adults who needed extra oxygen and had risk factors like diabetes or heart disease were enrolled. The goa…

This study tested whether an online exercise and education program could help cancer patients and survivors feel better during the COVID-19 pandemic. Thirty adults with metastatic breast or gynecological cancer, or breast cancer survivors, took part. The program aimed to reduce f…

This study tested two remotely delivered programs—mindfulness-based cognitive therapy and internet-based cognitive behavioral therapy—against standard remote monitoring alone for reducing depression and substance use related to COVID-19 stress. 113 adults from a health system par…

This study tested a virtual attention training program for 58 adults with Long-Covid brain fog. The goal was to see if the program is feasible and improves focus and thinking. Participants completed sessions online, and researchers measured attention changes before and after trai…

This study tested whether low-dose naltrexone (LDN) can reduce fatigue and improve related symptoms in people with post-COVID fatigue syndrome. 160 adults who had confirmed COVID-19 and met criteria for post-COVID fatigue took either LDN or a placebo for 16 weeks. The main goal w…

This small study tested whether sitting under a bright light for 30 minutes a day for two weeks could help people with long-lasting fatigue after COVID-19. Twelve adults who had been tired for months after their infection took part. The goal was to see if the light therapy could …

This study tested whether a remote cognitive strategy training program (CO-OP) is feasible for people with Post-COVID syndrome who have memory or thinking problems. 65 participants learned a step-by-step problem-solving method (Goal-Plan-Do-Check) to improve daily activities. The…

This study tested whether the Ghostly app, which guides patients through strength exercises, could help hospitalized people with stroke, COVID-19, frailty, or muscle weakness. Fifteen participants used the app during their hospital stay. The goal was to see if it was practical an…

This study tested whether the antiviral drug remdesivir could help people with Long COVID. 73 adults with confirmed Long COVID received five daily doses of the drug through an IV. Researchers measured how many people completed the treatment and tests, and how well they tolerated …

This early-phase study tested whether high doses of vitamin E (alpha-tocopherol) could reduce C-reactive protein (CRP), a marker of inflammation, in 56 adults with COVID-19. Participants were randomly assigned to receive vitamin E or a placebo. The results suggest that vitamin E …

This pilot study tested whether a stellate ganglion block—a numbing injection near a nerve cluster in the neck—can help people who lost their sense of smell after COVID-19. Twenty adults with smell problems lasting at least a year received the injection. Researchers measured chan…

This study tested a 6-week program called Heart Up! that uses text messages and social support to help adults with heart disease become more physically active and feel less hopeless. About 224 patients who had a heart attack or related procedure took part. The program aimed to im…

This study looked at whether 6 weeks of special breathing exercises (inspiratory muscle training) can improve diaphragm strength and reduce shortness of breath in 18 COVID-19 survivors who still had trouble breathing. Participants had proven diaphragm weakness and no other explan…

This study tested two therapies—low-level laser (light) therapy and myofascial release (a hands-on muscle technique)—against standard chest physiotherapy in 102 moderate COVID-19 patients in the ICU. All patients also received a 12-week home telerehabilitation program after disch…

This study tested a rehabilitation program to help adults with Post-COVID-19 syndrome who suffer from ongoing fatigue. 54 participants completed the program, which aimed to reduce tiredness and improve daily life. The study measured fatigue using several scales to see if the reha…

This study tested whether a budesonide nasal rinse (a steroid) could improve smell loss in 120 adults who still had trouble smelling 30 days after a mild COVID-19 infection. Participants used the rinse twice daily for 30 days, along with smell training. The goal was to see if mor…

This completed pilot study tested a daily ultrasound device applied to the spleen for 8 weeks in 15 adults with Long COVID. The goal was to see if it safely improves symptoms like fatigue, pain, and brain fog. Researchers measured walking endurance and fatigue levels before and a…

This study tested whether balance training can improve stability and reduce falls in older adults who recovered from COVID-19. Sixty-five people aged 60 and older took part, doing either balance exercises on a special machine plus traditional moves, or traditional exercises alone…

This study tested two wellness products that stimulate the vagus nerve—a key nerve for stress, mood, and inflammation—to see if they could help people with Long COVID. Over 500 participants used the devices and tracked their health with a Fitbit and surveys. The goal was to measu…

This study tested whether using an e-health tool to guide exercise can improve fitness and quality of life in adults who had COVID-19. Seventy-seven participants who struggled with physical activity after their infection were enrolled. The experimental group used the MIA Health a…

This study tested an oral drug called LAU-7b (fenretinide) in 272 adults with moderate to severe Long COVID symptoms lasting at least 12 weeks. Participants took the drug or a placebo in cycles of 14 days on, 14 days off, for 12 weeks. The main goal was to see if LAU-7b improves …

This study tested whether having conscious COVID-19 patients with breathing problems lie face down (prone position) while on high-flow oxygen could reduce the need for a breathing tube. Over 400 adults with COVID-19 pneumonia and mild to severe acute respiratory distress syndrome…

This study tested an internet-based therapy program for adults still struggling with depression or anxiety after the COVID-19 pandemic. 24 participants in Sweden completed 8 weeks of online therapy with a therapist's support. The goal was to see if this approach could reduce ling…

This study tested whether adding functional electrical stimulation (FES) to cycling exercises helps people who survived severe COVID-19 recover more quickly. Twenty-two patients who had been on ventilators in the ICU took part in a 4-week rehab program. Half did cycling with FES,…

This completed trial tested whether virtual clinics offering exercise sessions and psychological support could help cancer patients maintain physical and mental health while following COVID-19 social distancing rules. Over 1,100 adults with suspected or confirmed cancer took part…

This study tested a 10-week group program that teaches self-help strategies from European, Chinese, and Indian traditional medicine for people with post-COVID syndrome. 86 adults with persistent symptoms after COVID-19 took part. The goal was to see if these techniques, added to …

This study tested whether common medications, originally made for other illnesses, could help adults aged 30 and older recover faster from mild to moderate COVID-19 without needing hospital care. Over 3,200 participants took either a study drug or a placebo and reported their sym…

This large study tested whether common medications like ivermectin and fluvoxamine can help ease mild-to-moderate COVID-19 symptoms in adults who are not hospitalized. Over 10,000 participants took either the study drug or a placebo and reported their symptoms remotely. The goal …

This study tested whether a stellate ganglion block (an injection near nerves in the neck) can improve distorted sense of smell (parosmia) caused by COVID-19. 48 adults with long-term smell issues after COVID took part. Half received the nerve block, half got a placebo (saline). …

This study tested a 30-week walking program for cancer survivors who had been hospitalized with COVID-19. The goal was to see if the exercise was safe and caused few side effects. Only 3 people took part, so the results are very early and not conclusive.

This study looked at 108 adults with COVID-19 pneumonia who had low oxygen levels (type 1 respiratory failure). Researchers compared two breathing support methods: High-Velocity Nasal Insufflation (HVNI) and Continuous Positive Airway Pressure (CPAP). The goal was to see which on…

This study investigates how the immune system responds to COVID-19 in people with chronic lung conditions like asthma, COPD, or cystic fibrosis, compared to those without lung disease. Researchers collect blood, sputum, and nasal samples to measure immune signals and gene activit…

This study looks at tiny nerve fibers in the skin of people with Long COVID, POTS, diabetic neuropathy, and those who had COVID-19 without lasting symptoms. By comparing skin samples, researchers hope to find unique patterns that help explain ongoing symptoms like pain and dizzin…

This study follows thousands of pregnant women in France who had or likely had COVID-19 during pregnancy or shortly after giving birth. Researchers track health problems in both mothers and newborns up to 12 weeks after delivery, using medical records and questionnaires about men…

This study tests a program called SINCERE that screens people for social needs like food or housing help, then connects them to free community services with follow-up calls. Researchers want to see if this improves overall health, depression, and anxiety in 1500 adults at risk fo…

This study follows people aged 70 and older who were hospitalized with severe COVID-19 for one year after their diagnosis. Researchers aim to describe how many survive and how well they recover, including physical and mental function. The goal is to better understand the long-ter…

This study investigates how often cancer patients with COVID-19 develop dangerous blood clots (venous thromboembolism). Researchers will screen participants using ultrasound and blood tests to detect clots, whether or not they cause symptoms. The goal is to understand the true ra…

This study looks at anonymous health records from California and Louisiana to see if the Pfizer-BioNTech COVID-19 vaccine helps prevent post-COVID conditions (long COVID). Researchers will also track who gets vaccinated. The study includes adults with a COVID-19 diagnosis between…

This study looked at the best way to test for COVID-19 in K-12 schools serving underserved communities. Researchers compared two strategies: testing only people with symptoms versus weekly testing of everyone plus symptom testing. The goal was to see which approach reduced COVID-…

This study looked at the emotional well-being of healthcare workers treating COVID-19 patients at two French hospitals. 78 staff members completed questionnaires about anxiety, depression, resilience, and empathy at different times during the pandemic. The goal was to understand …

This study followed 92 people who had mild COVID and were treated at home. Two years after their diagnosis, they answered a questionnaire by mail about any hospital visits or other health events. The goal was to learn how outpatients fare over time and find patterns that could he…

This study tested whether community health workers with lived experience of incarceration could help people recently released from jail or prison get COVID-19 tests and adopt safety measures like mask-wearing and social distancing. The program included education, on-site testing,…

This study followed 380 people who had COVID-19 pneumonia for one year after they left the hospital. Researchers used heart ultrasounds, lab tests, and CT scans to check for heart problems. The goal was to understand how COVID-19 affects the heart over time.

This completed study looked at 25 young adults (ages 18-65) who had severe COVID-19 and now have thinking or memory problems. Researchers used a special PET-CT scan to see if there are changes in brain activity and how that relates to lung damage. The goal was to better understan…

This completed study looked at how COVID-19 affects the heart, lungs, brain, and kidneys in 202 people aged 18 to 80. Participants had imaging scans, blood tests, and other procedures to track inflammation and organ function over time. The goal was to understand why some people g…

This study used health records from over 8 million people in Taiwan to understand the effects of COVID-19 and how well the oral treatment nirmatrelvir/ritonavir works. Researchers looked at who got severely ill, needed hospital care, or died, and compared those who took the treat…

This study followed 324 people who had close contact with a confirmed COVID-19 case to see how long they shed the virus. Participants provided nasal swabs and reported symptoms over 12 days. The goal was to understand transmission risks and help shape public health policies.

This study looked at 37 critically ill COVID-19 patients who were moved by train from overcrowded ICUs in Paris to less busy ICUs in western France. Researchers tracked how many died, got infections, needed breathing machines, and how long they stayed in the hospital. The goal wa…

This study looked at whether ECMO, a machine that does the work of the heart and lungs, helps people with severe COVID-19 who have lung failure or heart failure. Researchers tracked 761 patients across France to see how many survived and how quickly they recovered. The goal was t…

This study looked at 21 adults with COVID-19 who had neurological symptoms like loss of smell, headache, or memory problems. Researchers used MRI scans to find brain changes linked to the virus. The goal was to better understand how COVID-19 can affect the brain, not to test a tr…

This study screens women who gave birth in four French hospitals for postpartum depression and anxiety during the COVID-19 pandemic. Participants fill out three questionnaires shortly after delivery and again about a month later. The goal is to measure how common postpartum depre…

This study followed 163 people with chronic inflammatory rheumatism (like rheumatoid arthritis) who had a recent COVID-19 infection. Researchers measured their antibody levels over two years to see how immunosuppressive drugs affect antibody persistence. The goal was to better un…

This completed study used advanced MRI and CT scans to look for lasting damage in the brain, heart, lungs, and liver of 206 people who had COVID-19. Researchers compared those who were hospitalized with those who were not, to understand how the virus affects organs over time. The…

This study looked at how a person's genes might influence how sick they get from COVID-19. Researchers collected blood or saliva samples from 721 people in the U.S. who tested positive for the virus. The goal was to find genetic clues that could lead to better treatments in the f…

This completed pilot study scanned the brains of 30 people who were hospitalized with COVID-19 and later reported memory, concentration, or organizational problems—often called 'brain fog.' Researchers used MRI and spectroscopy to look for changes in brain structure and chemistry…

This completed study looked at how the COVID-19 pandemic and social distancing impacted the mental health of 259 adults with chronic inflammatory rheumatism (like rheumatoid arthritis or ankylosing spondylitis). Researchers used questionnaires to measure stress, depression, anxie…

This study tested two methods to encourage COVID-19 testing among people who use opioids: having friends refer others (chain referral) and using trusted community members (credible messengers). About 500 people took part. The goal was to see which method got more people tested an…

This completed study looked at nearly 29,000 adults who had non-cardiac surgery under general anesthesia in a large Canadian health region. Researchers wanted to see how often doctors used lung protective ventilation, a technique that uses smaller breaths and gentle pressure to r…

This study tested whether taking daily probiotic capsules for 4-5 weeks after a COVID-19 vaccine could improve the body's immune response. 138 healthy adults received either probiotics or a placebo. Researchers measured antibody levels and T-cell activity to see if probiotics mad…

This completed study looked at how often healthcare workers and first responders experienced short-term side effects (like fever or sore arm) after getting either the updated Novavax or Pfizer COVID-19 vaccine. About 660 adults who had at least one prior COVID-19 shot took part. …

This completed study followed 5 people with cystic fibrosis over two years to track COVID-19 antibodies from infection or vaccination. Researchers collected blood samples every six months to see how antibodies develop and last. The goal was to understand if people with CF have di…

This study collected blood, saliva, and eye fluid samples from 343 people with uveitis, an inflammatory eye disease that can cause vision loss. Researchers aimed to learn which genes and other factors might lead to the disease and affect treatment response. Participants were foll…

This study tracked 204 patients with blood cancers or those on certain immune-suppressing treatments to see how often COVID-19 infection persists for 21 days or more. Researchers also looked for factors that make a long infection more likely. The goal was to better understand who…

This early-stage study looked at how the experimental drug ALG-097558 behaves in 16 people with moderate liver impairment compared to healthy volunteers. The goal was to measure drug levels and safety, not to treat COVID-19. Results will help guide future dosing for patients with…

This study followed 122 COVID-19 patients who were in the ICU, along with their family members, for up to a year after leaving the hospital. Researchers measured physical health, mental well-being, and how well people returned to work and daily life. The goal was to learn about t…

This early study tests how the experimental COVID-19 drug ALG-097558 moves through the body in people with severe kidney problems compared to healthy volunteers. Twelve adults will take multiple doses of the drug. The goal is to see if kidney function affects drug levels and safe…

This study looked at whether neck muscle activity during sleep affects breathing recovery in 17 COVID-19 patients who were on ventilators in the ICU. Researchers used sleep tests and activity monitors to track sleep quality and breathing patterns. The goal was to understand why s…

This study looked at over 13,000 people with chronic inflammatory rheumatism or autoimmune diseases who had or were suspected to have COVID-19. Researchers tracked how many developed severe COVID-19 requiring intensive care or leading to death. They also examined risk factors lik…

This study looked at how the COVID-19 lockdown changed blood sugar control and self-care in 77 young people aged 13 to 25 with type 1 diabetes. Researchers used data from a glucose monitoring platform to compare blood sugar levels before, during, and after the two-month lockdown …

This study involved over 2,500 people of all ages to find out which immune responses best predict protection against COVID-19 after vaccination. Researchers also tested whether local pharmacies could collect blood and nasal samples effectively. The goal is to improve future vacci…

This study followed 610 adults who had heart surgery to see how often they develop postoperative delirium—a sudden state of confusion that can come and go. Researchers collected information on known risk factors like age, high blood pressure, and diabetes, and tracked outcomes su…

This study looked at whether having COVID-19 makes people more likely to develop a pulmonary embolism (a blood clot in the lungs). Researchers reviewed medical records of 347 patients who had a CT scan of their lungs. They compared those who tested positive for COVID-19 with thos…

This study collected information from 550 adults treated for COVID-19 at Methodist Health System facilities. Researchers looked at patient details, treatments given, and how well patients recovered. The goal was to better understand COVID-19 and improve future care, not to test a…

This study monitored 201 people with multiple myeloma to see how well COVID-19 vaccines and boosters work for them. Since their immune systems are weaker, researchers wanted to learn if vaccines still provide good protection. The goal was to find better ways to keep this vulnerab…

This study tested how a potential COVID-19 drug, ALG-097558, interacts with other medicines and food in 51 healthy adults. It also compared two tablet forms of the drug. The goal was to gather safety and dosing information, not to treat the disease. Results will help guide future…

This study looked at how the COVID-19 pandemic and related public health measures changed asthma control in children aged 3 to 16. Researchers compared asthma control and flare-ups in 577 children during the pandemic to data from before the pandemic. The goal was to see if lockdo…

This completed study followed 829 people, including healthcare workers and a comparison group, over several years to understand how SARS-CoV-2 spreads and who gets sicker. Researchers collected swabs, blood, and saliva samples along with survey data. The goal was to identify risk…

This study tested whether one-on-one support from a resource navigator helps long-term care and retirement home staff access health and wellness resources. 123 staff members took part, with some getting a navigator and others not. Researchers measured changes in wellness, burnout…

This study looked at how many people in Punta Arenas, Chile, have persistent COVID-19 (long COVID) — symptoms lasting more than 4 weeks after infection. Researchers surveyed and tested 282 adults who had COVID-19, checking their physical and mental health, and looking for risk fa…

This study looked at whether lying face down (prone position) while awake can improve how air moves through the lungs in COVID-19 patients with breathing failure. Twenty adults with COVID-19 and low oxygen levels were monitored using a special imaging technique (EIT) to measure l…

This study checks on 137 COVID-19 patients who were in the ICU and used awake prone positioning (lying on their belly) while on high-flow oxygen. Researchers want to see if this technique affects quality of life and survival more than two years later. Participants answer a phone …

This completed study looked at 4000 COVID-19 patients in Swedish ICUs who needed a breathing machine. Researchers compared outcomes based on how soon after starting ventilation a tracheostomy was performed. The goal was to see if earlier or later timing affects how many days pati…

This study looked at 176 people who had COVID-19 and were having problems with smell, taste, or saliva. Researchers tested their senses and tried smell training as a way to help. The goal was to better understand these long-lasting symptoms and how to manage them.

This study looked at how the COVID-19 pandemic affected children with eating disorders and their families in Canada. Researchers tested virtual support groups led by parents who have been through similar experiences. They interviewed parents, youth, and healthcare workers to see …

This completed Phase 1 study looked at how much of the COVID-19 treatment nirmatrelvir/ritonavir (Paxlovid) gets into breast milk. Eight healthy breastfeeding women took the drug by mouth three times over two days. Researchers collected breast milk samples to measure drug levels,…

This study aimed to increase COVID-19 vaccination among African American and Latinx communities in four Michigan counties. Researchers worked with community partners to understand why some people were hesitant to get the vaccine and tested ways to encourage uptake. Over 1,100 adu…

This study surveyed over 3,400 university students and staff to learn what factors influence their decision to get a COVID-19 vaccine. Participants answered questions about vaccine effectiveness, side effects, costs, and incentives. The goal was to better understand preferences a…

This completed study looked at lung function in 42 people recovering from COVID-19. Participants inhaled a special form of xenon gas that shows up on MRI scans, allowing researchers to see how well different parts of the lungs were working. The goal was to understand how mild, mo…

This study followed 201 adults with diabetes who were hospitalized for COVID-19 in Algeria. Researchers tracked their blood sugar, weight, and kidney function for up to a year after leaving the hospital. The goal was to learn how COVID-19 affects long-term diabetes control and to…

This study looked at how well CPAP therapy works for COVID-19 patients who have trouble breathing. Researchers collected data from 250 patients in a hospital to see how they responded to treatment. The goal was to learn more about managing severe COVID-19 in real-life settings.

This completed study enrolled 818 adults hospitalized with COVID-19 to examine how genetic, inflammatory, and other blood markers relate to disease severity and death. Researchers tracked outcomes like recovery or death and analyzed risk factors using statistical models. The goal…

This study looked at children and young adults under 24 who had COVID-19, including those with cancer. Researchers collected samples and medical information to learn about symptoms, risk factors, and how the virus spreads. The goal was to better understand the disease in younger …

This completed study followed 917 adults with COVID-19 who were prescribed Paxlovid. Researchers wanted to see how often people test positive again after finishing the 5-day treatment. The goal is to better understand the so-called 'Paxlovid rebound' and help guide future care.

This study examined whether being in the ICU with COVID-19 made patients more likely to pick up dangerous, drug-resistant bacteria. Researchers tracked 368 critically ill adults to compare infection rates before and during the pandemic. The goal was to understand if COVID-19 chan…

This completed study from France compared over 1,500 ICU patients on ventilators to see if those with COVID-19 develop more lung infections than patients with influenza or no viral pneumonia. Researchers tracked cases of ventilator-associated pneumonia and tracheobronchitis. The …

This completed study tested whether phenelzine, a drug used for depression, could change how immune cells behave in people with COVID-19. Researchers took blood samples from 51 patients and exposed the cells to phenelzine in the lab. The goal was to see if the drug could reduce o…

This study looked at how the immune system of people with COVID-19 responds, comparing those who had symptoms to those who did not. Researchers tested over 200 adults from households with a confirmed COVID-19 case to see if asymptomatic carriers develop antibodies. The goal was t…

This completed study collected blood, urine, and kidney tissue from 90 COVID-19 patients with acute kidney injury. Researchers aimed to build a biorepository and analyze samples to better understand how COVID-19 affects the kidneys. The goal is to speed up discoveries and improve…

This study tested a fast COVID-19 test-and-treat program in Ghana, Malawi, Rwanda, Zambia, and Zimbabwe. Researchers interviewed health officials, workers, and patients to see if the program was practical and well-liked. The goal was to learn how to set up similar programs in the…

This early-stage trial tested the safety and tolerability of an experimental drug called Benfo-Oxythiamine (B-OT) in 48 healthy male volunteers. Researchers gave the drug as single or multiple daily doses and monitored participants closely for side effects, blood levels, and lab …

This completed study followed 360 adults and children with chronic respiratory and other medical conditions to see how their immune systems responded to COVID-19 vaccines over 18 months. Researchers measured antibody, T cell, and B cell levels before vaccination and every 3 month…

This study followed 51 adults who survived severe COVID-19 pneumonia and needed a breathing tube for more than 72 hours. Researchers measured their quality of life, ability to perform daily activities, muscle strength, and nutrition at 1, 6, and 12 months after leaving the hospit…

This completed Phase 1 trial enrolled 16 healthy Chinese men to see how the body processes MK-4482 after single and multiple doses. Participants took 800 mg of MK-4482 by mouth, first as a single dose and then every 12 hours for several days. The study measured drug levels in the…

This study reviewed medical records of 200 adults from an endocrinology clinic to see if taking vitamin D3 supplements lowered their chances of developing Long COVID after a COVID-19 infection or getting COVID-19 after vaccination. Researchers compared patients who took vitamin D…

This study looked at how the thymus gland, which produces immune cells called T cells, might influence COVID-19 severity. Researchers compared 85 hospitalized patients with and without COVID-19 to see if genetic differences in thymus function were linked to worse lung damage. The…

This study looked at how stress from the COVID-19 pandemic affected eating behaviors and weight in over 5,000 English-speaking adults. Participants completed online surveys about their mental health, eating habits, and weight changes. The goal was to understand the link between p…

This completed study looked at how a COVID-19 infection during pregnancy, along with related stress, might affect a baby's brain development. Researchers followed 62 mothers and their infants, using surveys, brain scans (MRI and EEG), and developmental tests. The goal is to bette…

This completed study from the National Institute of Mental Health surveyed over 3,600 English-speaking adults online every two weeks for six months. Researchers asked about mental health symptoms, stress, and behaviors during the COVID-19 pandemic. The goal was to understand how …

This study looked at how doctors, nurses, and physiotherapists in community health teams were affected by the COVID-19 pandemic. Researchers interviewed 62 healthcare workers about their work and personal challenges. The goal was to understand their experiences and identify what …

This completed study followed 530 working-age adults (18–70) who were hospitalized for COVID-19. Researchers measured disability using WHO checklists at 12 and 36 months after hospitalization. The goal was to understand how severe COVID-19 affects people's ability to function and…

This study looked at how wearing surgical masks, N95 masks, and face shields affects speech perception and listening effort in operating rooms. Researchers tested 35 people with normal hearing and surveyed 184 operating room professionals. The goal was to understand communication…

This study followed 293 people with autoimmune diseases and healthy volunteers to see how COVID-19 infection or vaccination affects their immune system, inflammation, and blood vessels. Participants were grouped based on their COVID-19 history and had up to 5 visits over 12-18 mo…

This study looked at whether it is safe to give another dose of a COVID-19 mRNA vaccine to people who had a bad reaction to a previous dose, or to people with a history of allergies. It also included people with long COVID. A total of 137 adults took part and received either the …

This study looked at 51 young adults to see if their physical activity level is related to how strong their cough is and how well they can balance. Participants answered a questionnaire about their activity and used a device to measure cough strength. The goal was to understand t…

This study examined how people with mild or no COVID-19 symptoms respond to the virus. Researchers measured immune markers in the blood of 57 adults who tested positive. The goal was to understand why some people clear the virus quickly while others develop severe illness.

This study tested whether a blood sample can predict how severe COVID-19 will become in kidney transplant patients with mild to moderate symptoms. Researchers measured a protein called IL-6 after stimulating the blood sample. They followed 52 patients to see if IL-6 levels were l…

This study looked at how the COVID-19 pandemic affected the supply of blood products for emergency surgeries at one hospital. Researchers tracked delays and shortages from March 2020 to March 2021. The goal is to use this information to create better policies for handling blood s…

This study tracked 100 fully vaccinated adults to see how many later caught COVID-19 (called a breakthrough infection). It also compared infection rates in people who got a booster shot. The goal was to understand how well vaccines and boosters protect against infection, not to t…

This study tested a blood test called ELISpot to see if it can detect the body's immune response to the COVID-19 virus. The test aims to find infections that standard swab tests might miss and help predict whether a person will develop mild or severe illness. Researchers enrolled…

This study reviewed medical records of 417 adults hospitalized with COVID-19 at four hospitals. Researchers wanted to find out how many patients also had other infections (co-infections) or developed new infections later. They also looked at how these infections affected death ra…

This completed study analyzed blood samples from 304 COVID-19 patients in France to find early immune markers that predict whether someone will become severely ill. Researchers looked at T-cells and inflammatory chemicals in the blood to understand why some people worsen while ot…

This study looked at whether a blood test measuring suPAR levels can predict which adults hospitalized with COVID-19 will develop severe breathing failure requiring a breathing tube. Researchers analyzed stored blood samples from about 367 patients. The goal was to see if a suPAR…

This study looked at how the COVID-19 pandemic changed the way people with multiple sclerosis (MS) reported and managed their relapses. Researchers compared 51 patients who had a relapse during the first wave of the pandemic (April–June 2020) with those who had a relapse during t…

This study looked at whether wearing FFP2/N95 masks changes oxygen levels and pulse rate in dental professionals. Sixty dental workers took part, and researchers measured oxygen saturation and pulse while they wore the masks. The goal was to understand any short-term effects on b…

This study used advanced total-body PET scans to look at how COVID-19 affects the lungs' blood-air barrier. Thirteen adults who had COVID-19 and healthy volunteers each had two scans, one at the start and one four months later. The goal was to measure changes in lung function ove…

This early-phase study tested a radioactive tracer called 18F-αvβ6-BP in 5 people who had recovered from COVID-19. The goal was to see if the tracer could highlight lung damage on PET/CT scans. Participants received the tracer intravenously and underwent imaging. The study only a…

This study looked back at 60 adult blood cancer patients who had stem cell transplants and later developed a rare fungal infection called mucormycosis. Researchers compared cases before COVID-19 (2015-2020) to during the pandemic (2020-2024) to see if the virus, new tests, or new…

This study looked at how often brainstem problems occur in COVID-19 patients who are on a ventilator and deeply sedated in the ICU. Researchers checked brainstem reflexes using a simple scoring system, both during sedation and a few days after sedation stopped. The goal was to un…

This study tested whether measuring a protein called MxA in the blood can help doctors decide when to stop antiviral drugs in patients with flu or COVID-19. Researchers enrolled 86 adults and compared standard care to MxA-guided treatment. The goal was to see if the test could re…

This study followed 132 healthy smokers and non-smokers aged 30-55 to see how smoking history affects immune cells and COVID-19 risk. Participants provided blood, saliva, and nasal swab samples over up to six monthly visits. The goal is to understand why smokers may have more sev…

This completed study followed 200 adults who had COVID-19 to see if the virus causes long-term heart problems or mental health issues. Participants wore health-tracking devices and answered surveys about anxiety, depression, and substance use. The goal was to better understand th…

This completed study looked at anxiety about COVID-19 in 200 adults with rheumatic diseases who were already taking either biologic or conventional disease-modifying drugs. Researchers called participants and asked them to fill out a questionnaire about their coronavirus-related …

This completed study measured specific blood proteins in 75 adults with COVID-19 to see if they are linked to severe outcomes like ICU admission, breathing support, or organ failure. Researchers analyzed stored blood samples to look at markers that affect blood vessel health. The…

This study tested whether weekly community-led group discussions could improve trust and openness to COVID-19 testing and vaccination. Fifty-seven adults from nine housing agencies took part in online meetings and completed surveys over six months. The goal was to see if peer-led…

This study tested whether weekly community-led group discussions about health topics could change how people feel about COVID-19 testing and vaccines. 49 adults from housing authority agencies took part in Zoom meetings and completed surveys over 18 weeks. The goal was to see if …

This study looked at placentas from 68 women who had COVID-19 during pregnancy to see if the virus changes the placenta's structure or gene activity. Researchers also checked umbilical cord blood for signs of inflammation. The goal is to better understand how the infection might …

This study followed 75 people with cystic fibrosis (CF) for two years to see how many developed COVID-19 antibodies from infection or vaccination. Researchers wanted to know if CF patients are naturally protected or just avoiding the virus. The study collected blood samples and h…

This completed study looked at whether an artificial neural network (a type of AI) could predict how long COVID-19 patients in the ICU would need a breathing machine and whether they would survive. Researchers analyzed medical records from 113 ICU patients. No new treatment was g…

This completed study tested whether a telemedicine-based program could improve quality of life for adults who needed a breathing machine (ventilator) due to acute respiratory failure. The program included rehabilitation strategies during the ICU stay, hospital ward, and for two m…

This study looked at ways to encourage COVID-19 testing and prevention habits among people with diabetes or at risk for it. About 290 participants in Georgia were split into two groups to compare the effects of a 16-week program. The goal was to see if the program increased testi…

This study looked at the best ways to encourage COVID-19 testing for children with intellectual and developmental disabilities and their teachers. Over 1,100 participants from two special school districts took part. The goal was to find what messages and strategies work best to k…

This study looked at why African Americans were more likely to get sick and die from COVID-19. Researchers examined how genetics, environment, and social factors like neighborhood and income might affect heart health after infection. The 431 participants, all African Americans fr…

This study looked at whether people with cystic fibrosis (CF) have COVID-19 antibodies in their blood over two years. Researchers wanted to see if CF patients get infected less often or have milder symptoms. About 331 children and adults with CF from Europe gave blood samples and…

This study looked at 3820 adults with cancer who also had COVID-19. Researchers collected routine medical data to describe symptoms and identify factors affecting survival. The goal was to learn more about how COVID-19 affects cancer patients, not to test a new treatment.

This study looked at 30 cancer patients with COVID-19 pneumonia to see if lung ultrasound could work as well as CT scans for diagnosis. Researchers compared the imaging results and checked if they matched the patients' symptoms and lab tests. The goal was to find a cheaper, easie…

This completed study looked at over 131,000 high-risk COVID-19 patients in the US to understand how the illness affected their ability to work and the associated costs. Researchers compared those who took the antiviral Paxlovid with those who did not, using insurance claims data …

This study looked at how the COVID-19 pandemic affected the quality of life of 200 adults with asthma. Researchers wanted to understand what caused extra stress—like staying home, using more disinfectants, or worrying that asthma symptoms might be COVID-19. The goal was to find o…

This study followed 283 adults who needed intensive care for severe COVID-19 lung damage (ARDS) in Poland. Researchers tracked who survived up to 4 years later and asked survivors about their quality of life, breathing, and daily function. No new treatment was tested—the goal was…

This study looked at nearly 2,000 adults with lung cancer who caught COVID-19. Researchers tracked their health and checked for antibodies (immune system markers) right after infection and again 6 months after vaccination. The goal was to understand how lung cancer affects the bo…

This completed study looked at whether vitamin D levels in the blood are linked to how severe COVID-19 gets. Researchers measured vitamin D in 1,100 COVID-19 patients in Turkey. The goal was to see if current vitamin D thresholds reflect real clinical risk. This is an observation…

This completed study looked at 355 adults with Long COVID in Suffolk and North Essex to understand their symptoms and rehabilitation needs up to 36 months after infection. The goal was to better diagnose and manage the condition, focusing on helping people return to everyday acti…

This study looked at whether people with cystic fibrosis (CF) have COVID-19 antibodies from infection or vaccination. Researchers followed 152 adults and children with CF for two years, taking blood samples every six months. They aimed to understand how many had antibodies, how l…

This study looked at nearly 2,500 adults in the Olomouc region to find out how many had antibodies or cellular immunity against the SARS-CoV-2 virus, either from a past infection or from vaccination. Participants gave blood samples and answered a questionnaire. The goal was to un…

This completed Phase 4 study tested whether an updated COVID-19 vaccine (mRNA-1273.712) affects heart muscle in healthy people aged 12 to 30. Researchers measured a heart enzyme called troponin in 1,000 participants who received either the vaccine or a placebo. The goal was to se…

This study looked at 39 hospitalized COVID-19 patients to see if a strong T-cell immune response is linked to worse symptoms. Researchers measured specific immune cells and chemicals in the blood. The goal was to understand why some patients get much sicker, not to test a treatme…

This completed study looked at 543 people who survived severe COVID-19 with lung failure (ARDS) to see if their socioeconomic status affected their recovery. Researchers checked breathing, mental health, and quality of life six months after leaving the ICU. The goal is to use thi…

This study followed 643 healthy adults in central North Carolina for one year to see how many developed antibodies to the COVID-19 virus. Participants had blood drawn five times and completed weekly symptom surveys. The goal was to better understand exposure rates and immune resp…

This study compared two methods to increase COVID-19 testing among patients at Utah community health centers: text message reminders alone versus text messages plus a patient navigator who helped with logistics. Over 44,000 English- or Spanish-speaking adults with a working cell …

This study looked at how fat (lipid) metabolism is linked to severe pneumonia caused by COVID-19 versus other germs. Researchers measured cholesterol and other fat-related substances in 62 adults with severe pneumonia. The goal was to understand these differences, not to test a t…

This study looked at whether nutritional status affects the risk of death in people aged 70 and older with COVID-19. Researchers followed 426 hospitalized patients, comparing those with and without the virus. The goal was to understand if poor nutrition makes COVID-19 more danger…

This study followed 113 people with cystic fibrosis (CF) over two years to see how many developed antibodies against COVID-19, either from infection or vaccination. Researchers collected blood samples and health data to understand if CF patients have a lower infection rate and ho…

This completed study looked at 25 people who had COVID-19 but were not hospitalized, yet still felt short of breath and tired. Researchers measured their diaphragm strength using advanced breathing tests and ultrasound. The goal was to see if diaphragm weakness is a hidden cause …

This study looked at 600 COVID-19 patients with severe breathing problems who were treated with high-flow nasal oxygen and asked to lie face-down (awake prone position). The goal was to see if this combination reduced the need for a breathing tube and lowered death rates. Researc…

This completed study looked at breathing muscle function in 50 people who were hospitalized for COVID-19. Half had been on a ventilator, half only needed extra oxygen. Researchers used advanced tests to measure diaphragm strength and movement. The goal was to understand why many …

This study looked at whether the COVID-19 virus can be found in the saliva of people who have no symptoms or only mild symptoms. Researchers collected samples from the nose, mouth, eyes, and blood, and also tested how many virus particles are released during speaking with and wit…

This study followed 214 people who tested positive for COVID-19. Participants received daily text messages asking about their symptoms, like fever, cough, and loss of taste or smell. The goal was to learn how symptoms develop and vary throughout the day, helping researchers bette…

This study looked at how many people in homeless shelters in Paris had COVID-19 antibodies after the first wave. Researchers tested 179 residents and staff from three shelters to measure past infections and deaths. The goal was to understand the virus's impact on a vulnerable pop…

This study tested whether watching culturally-relevant digital stories could reduce COVID-19 vaccine hesitancy among Hispanic parents. 80 parents of unvaccinated children participated. Researchers measured changes in parents' attitudes and whether they later got their children va…

This study looked at how two different COVID-19 booster vaccines affect immune cells in the lymph nodes. Researchers used a needle to take samples from the lymph nodes of 12 adults who had already received at least three doses of an mRNA COVID-19 vaccine. The goal was to understa…

This study looked at 622 veterans with chronic lung disease who had COVID-19. Researchers tracked their health outcomes, recovery, and need for rehabilitation services. The goal was to understand which factors lead to more severe illness and what support patients need after recov…

This study looked at how T-cells, a key part of the immune system, respond to the COVID-19 virus in 51 people—hospitalized patients and healthy hospital staff. Researchers measured T-cell activity at several time points using a blood test called ELISPOT. The goal was to better un…

This study looked at 150 adults who had severe COVID-19 pneumonia to find out how many develop long-term lung issues. Researchers used CT scans to check for lung scarring and other damage months after infection. The goal is to better understand the lasting effects of severe COVID…

This study looked at whether virtual coaching helps rural pharmacists better counsel patients who are hesitant about COVID-19 vaccines. Twenty pharmacies took part, first receiving standard training and then adding one-on-one video coaching. Researchers measured how well pharmaci…

This study looked at how many hospital workers in Strasbourg, France, had antibodies against the virus that causes COVID-19. About 1,466 staff members were tested to see if they had been infected, especially after a large outbreak linked to a religious event. The goal was to unde…

This study monitored 219 adults with severe COVID-19 who needed a ventilator for at least 72 hours. Researchers checked for serious fungal infections, especially aspergillosis, using standard diagnostic methods. The goal was to learn how common these infections are and what puts …

This study looked at why Spanish-speaking Latinx communities face higher rates of COVID-19 infection and lower vaccination rates. Researchers worked with community partners to understand social, ethical, and behavioral barriers. They tested a program that combines peer support an…

This completed study enrolled 760 adults who had tested positive for SARS-CoV-2 and recovered. Researchers collected blood and nasal samples to measure antibodies and immune cells. The goal was to understand how the body's immune system responds to natural infection, which could …

This study looked back at 445 critically ill COVID-19 patients in the ICU to find out which factors were linked to higher death risk. Researchers recorded patients' lab results, organ failure scores, and other health details. They compared those who survived with those who did no…

This study looked at 380 adults in the intensive care unit with suspected or confirmed COVID-19. Researchers tracked organ problems like kidney injury and lung failure, and measured survival rates at 30 days and one year. The goal was to learn how COVID-19 causes organ damage, no…

This study checked how safe Evusheld is for treating and preventing COVID-19 in Japanese patients. It included 366 people who got the drug in real-world settings. The main goal was to track side effects like allergic reactions and heart problems. The study is now complete and hel…

This study examined how the COVID-19 pandemic affected the diagnosis and treatment of colorectal cancer in Hungary. Researchers looked at 198 patients, including 43 newly diagnosed, to see if cancer was found at a later stage or if treatments were missed during different pandemic…

This completed study tested a one-time 45-minute health education session for parents and students in Miami schools. The goal was to see if the session improved COVID-19 knowledge, confidence in health decisions, and vaccine uptake. Researchers compared responses between those wh…

This early-stage study looked at how the drug Ibuzatrelvir (PF-07817883) is absorbed and processed in the body of 12 healthy Chinese adults after a single dose. The goal was to measure drug levels in the blood and check for any side effects. Since participants were healthy, this …

This study looked at eye problems in 23 COVID-19 patients in intensive care. Doctors checked for damage to the cornea, retina, and optic nerve at several time points. The goal was to find and treat eye issues early to prevent vision loss.

This study tested a program that used community health workers and text messages to encourage COVID-19 testing and vaccination in vulnerable populations. A total of 384 adults with smartphones took part. The goal was to see if this approach could increase testing and vaccination …

This study asked 714 breast cancer survivors about their experiences with the COVID-19 vaccine. Researchers wanted to understand if lymph node swelling—a common vaccine side effect—caused worry or raised the risk of lymphedema (arm swelling) in these patients. The study collected…

This study investigated whether people hospitalized with severe COVID-19 are more likely to develop diabetes later on. Researchers followed 23 participants who had no diabetes before their infection, measuring their blood sugar levels over time. The goal was to understand how COV…

This study looked at 32 adults in the ICU on ECMO life support who had severe influenza or COVID-19 and a serious fungal lung infection called aspergillosis. Researchers measured how the antifungal drug voriconazole behaves in the body to find the best dose for these very ill pat…

This study tested a mobile app called Baby2Home designed to help new families get the healthcare they need after childbirth. Over 600 parents and their babies took part, with some using the app and others getting usual care. The goal was to see if the app improved checkups, vacci…

This study tested over 1,000 children and their parents for COVID-19 antibodies to find out how many had been infected. Researchers also checked for active virus in nose, saliva, and stool samples. The goal was to better understand infection rates and immune responses in families…

This study looked at eye damage in 34 people who were hospitalized for severe COVID-19. Researchers used many eye exams and scans to find problems like inflammation, dry eye, and blood vessel damage. The goal was to better understand what eye issues can happen after a serious COV…

This study explored how changes in healthcare during the COVID-19 pandemic (2020-2021) impacted the quality of life and experiences of over 5,000 Dutch patients who had surgery or another medical procedure. Researchers first held focus groups to understand key themes, then create…

This completed study looked at over 6,000 adults admitted to Italian cardiac intensive care units during the COVID-19 pandemic. Researchers aimed to describe the types of patients admitted, how they were managed, and their short-term outcomes. The goal was to understand the pande…

This study looked at what helps or hinders COVID-19 testing among Black/African American adults. Researchers worked with beauty salons and barber shops to share culturally relevant videos and messages from trusted community leaders. The goal was to understand attitudes and increa…

This study followed 187 people who had COVID-19 to see how their antibody levels changed over 24 months. Researchers took blood samples and, in some cases, nasal swabs to measure both general and neutralizing antibodies. They also looked at how the severity of the initial infecti…

This study aimed to understand how COVID-19 affected cancer patients and healthcare workers in cancer centers. Over 1,100 participants were followed for a year to track infections, severity, and emotional impacts. No treatments or vaccines were tested; instead, researchers collec…

This study tested whether a systematic phone call from a medical student, supervised by a general practitioner, could reduce hospitalizations in patients with chronic heart or mental health conditions during the COVID-19 lockdown in France. Over 22,000 patients aged 70 and older …

This study examined whether strict COVID-19 rules in nursing homes (like banning visitors and confining residents) saved lives or caused harm. Researchers tracked over 12,000 residents for one year, comparing death rates in homes that followed guidelines closely versus those that…

This study looked at how well the Pfizer COVID-19 vaccine works in people over 65 living in nursing homes compared to younger adults aged 40-65. Researchers measured immune cells and antibodies at 3 and 9 months after vaccination. The goal was to understand if older adults get th…

This completed study from France enrolled 373 people who came to the emergency room with suspected COVID-19. Researchers checked routine blood markers to see if any could predict which patients would later get worse and need intensive care. The goal was to find simple, low-risk t…

This study looked at how well the Pfizer COVID-19 vaccine triggers an immune response in 196 adults with weakened immune systems (due to conditions like kidney transplant, cancer, or HIV) compared to healthy adults. Researchers measured antibody levels and their ability to neutra…

This pilot study looked at whether the COVID-19 virus can spread through the air during surgery on infected patients. Researchers took air samples and swabbed surfaces in the operating room during two surgeries. The goal was to understand contamination risks so that healthcare wo…

This study looked at 757 adult patients treated for COVID-19 at Lille University Hospital to find out which factors best predict death within 28 days. Researchers collected medical, lab, and imaging data to understand why some patients die and others recover. The goal is to help …

This study looked at adults who received a COVID-19 vaccine through local programs in 7 countries. Researchers measured the immune response and how long protection lasts. About 5,400 people took part, providing blood and nose samples. The goal was to understand how well different…

This study looked at 51 adults who had COVID-19 2 to 12 months earlier and still had brain fog or other thinking problems. Researchers checked if the virus was still hiding in the nose's smell center. They compared these patients to a control group to see if lingering virus is li…

This study followed over 1,100 high-risk COVID-19 patients in the Netherlands who received new antiviral drugs or monoclonal antibodies. Researchers collected blood samples and nasal swabs over 90 days to see how the virus and the body's immune response changed during treatment. …

This completed registry study collected data from 500 COVID-19 patients to learn how the virus affects kidney function. Researchers aimed to identify risk factors and track outcomes. The findings may help guide future treatment and care for kidney complications in COVID-19.

This study examined how the COVID-19 pandemic impacted skin allergy visits among healthcare workers. Researchers analyzed records from 341 healthcare workers who visited skin clinics before and after the pandemic. The goal was to understand if increased use of masks, gloves, and …

This large observational study followed over 15,000 adults in the U.S. to learn more about long COVID (Post-Acute Sequelae of SARS-CoV-2 infection). Researchers tracked symptoms, health history, and biological samples over time in both infected and uninfected people. The goal is …

This completed study observed 199 adults hospitalized with confirmed COVID-19. Researchers tracked patient characteristics, treatments used, and how the disease progressed over time. The goal was to answer important questions about the natural history of COVID-19 to help guide fu…

This study looked at how COVID-19 spread among patients and healthcare workers in four hospitals in Bamako, Mali. Researchers used molecular tests to find active infections and blood tests to check for past infections and immunity. The goal was to understand infection rates, incl…

This study looked at the psychological impact of the COVID-19 pandemic on healthcare workers in intensive care units. Over 700 doctors, nurses, and aides completed questionnaires about post-traumatic stress, anxiety, depression, and burnout. The goal was to measure how common the…

This completed study enrolled nearly 97,000 adults from long-running French health studies to track how many people had been infected with the coronavirus. Participants provided blood samples and answered questionnaires. The goal was to measure infection rates and understand what…

This study examined the immune systems of 120 COVID-19 patients who had trouble breathing. Researchers measured many immune markers in the blood to see if an overactive immune response causes lung damage. They also compared these markers to healthy people and looked for patterns …

This study used advanced MRI scans to look for organ damage in 693 adults who had recovered from COVID-19. Researchers focused on the heart, kidneys, and liver to see how often and how severely these organs were affected. The goal was to better understand the long-term health imp…

This early-phase study involved 36 healthy Thai adults to see if getting a COVID-19 booster and flu vaccine together is as effective and safe as getting them separately. Researchers measured immune responses and side effects over one month. The goal was to gather information to p…

This completed study followed 150 pregnant or breastfeeding women who received a bivalent COVID-19 booster. Researchers measured antibody levels in mothers, infants, and breast milk to understand how vaccination impacts immunity against COVID-19 variants. The goal was to learn mo…

This study examined whether a blood test parameter called NEU-SFL, which reflects neutrophil activation, could predict the risk of death in patients hospitalized for COVID-19 in 2021. Researchers compared NEU-SFL levels between those who survived and those who died. The goal was …

This completed early-phase study looked at how mRNA COVID-19 vaccines (Pfizer or Moderna) affect certain immune cells called monocytes in people of different ages. Researchers measured changes in reactive oxygen species (a type of cell activity) and a blood protein called AngII b…

This study looked at 156 critically ill patients to find out what factors help achieve the right levels of beta-lactam antibiotics in the blood. Researchers collected clinical data and used therapeutic drug monitoring to see which patients reached target concentrations. The goal …

This completed study followed 105 pregnant women who had COVID-19 or received a COVID-19 vaccine. Researchers measured antibodies in the mothers' blood and breast milk, as well as in the umbilical cord blood at delivery, to see how immunity transfers to the baby. The goal was to …

This study looked at how the COVID-19 pandemic impacted the mental health of 501 nursing home workers in Occitanie, France. Researchers measured rates of post-traumatic stress disorder (PTSD), depression, and burnout using standard questionnaires. The goal was to understand how c…

This study looked back at how French hospitals created more intensive care unit (ICU) beds and found extra healthcare workers during the COVID-19 pandemic. Researchers gathered information from nearly 10,000 hospitals across France. The goal was to understand where the new beds c…

This completed study looked at blood clotting in 175 hospitalized COVID-19 patients. Researchers used a special test to measure how quickly and strongly blood clots form, and whether a protein called thrombomodulin can slow this process. The goal was to understand why some COVID-…

This study followed over 1,000 adults with confirmed or suspected COVID-19 who were admitted to intensive care units (ICUs) across France. Researchers tracked their treatments, complications, and survival at 28 days. The goal was to learn how these patients are managed and what f…

This study looked at 13 adults who had COVID-19 and still had symptoms like memory or nerve problems after recovery. Researchers used brain scans, memory tests, smell tests, and other exams to find possible changes in the nervous system. The goal was to better understand how COVI…

This completed study looked at whether medications used for COVID-19 or the COVID-19 vaccine can harm hearing. Researchers compared hearing test results among 90 adults aged 18-35: those who had COVID-19 and took medications, those who had COVID-19 but took no medications, and a …

This completed study looked at whether the COVID-19 vaccine triggers a strong immune response in 146 people with multiple myeloma or Waldenstrom's macroglobulinemia. Researchers measured antibody levels 28 days after the final vaccine dose. The goal was to see if these patients, …

This study looked at 73 people who were hospitalized with severe COVID-19 pneumonia to see if their lungs still had problems 4 months later. The main focus was on how well oxygen moves from the lungs into the blood. The goal was to better understand these lasting issues so doctor…

This completed study from Ankara University looked at 146 severe COVID-19 patients in the ICU. Researchers measured red blood cell distribution width (RDW), a marker of variation in red blood cell size, to see if it could predict whether patients would need a breathing tube or di…

This study looked at how many children of hospital workers had antibodies against the virus that causes COVID-19. Researchers tested blood and saliva samples from 563 family members to see if a parent's infection status affected the child's risk. The goal was to better understand…

This study tested over 1,000 healthcare workers for COVID-19 and tracked their antibody levels over time. The goal was to understand how the virus spreads among hospital staff and how the immune system responds. No treatment was given; the focus was on gathering information to gu…

This study involved 36 healthy adults aged 18 to 40 who were given a controlled dose of the Omicron BA.5 virus. The goal was to find a safe dose that causes infection in at least 40% of people, while monitoring side effects. This type of research helps scientists better understan…

This study looked at over 2,300 children aged 0-12 who had mild cold symptoms before elective non-cardiac surgery. Researchers wanted to see if the COVID-19 pandemic changed the risks of complications like breathing problems or infections. The goal is to help doctors decide the s…

This study looked at how many police officers in Bern, Switzerland had antibodies against COVID-19 over one year. About 1,024 officers volunteered to give blood samples at five different times. Researchers also asked about their work and home life to understand infection risks an…

This study tested a smartphone app called Hyfe Cough Tracker to see if it can accurately count coughs in people with lung conditions like COPD, asthma, or COVID-19. Researchers compared the app's cough counts to patients' own reports and expert listening. The goal was to improve …

This completed study enrolled over 1,000 people in the Dominican Republic to track how COVID-19 spreads and how to control it. Researchers provided some households with alcohol-based hand sanitizer and monitored handwashing habits, virus exposure, and vaccine attitudes. The goal …

This study looked at why antibiotics often fail to treat pneumonia in COVID-19 patients on ventilators. Researchers measured how much of the antibiotic piperacillin reaches the lungs in 34 adults with severe COVID-19 pneumonia. The goal was to understand if poor lung penetration …

This completed study followed 332 adults who were hospitalized with severe COVID-19 pneumonia and needed oxygen. Researchers used CT scans and breathing tests to check for lasting lung damage. The goal was to understand how the lungs recover after a serious infection.

This completed study followed 6,000 adults who had COVID-19 symptoms and were tested for the virus. Participants completed online surveys every 3 months for 18 months to track long-term health issues like fatigue, brain fog, and heart problems. The goal was to better understand t…

This study aimed to make COVID-19 rapid testing easier and more effective for Latino communities in San Diego County, especially near the US-Mexico border. Over 6,500 English- or Spanish-speaking adults who were patients at certain clinics or lived nearby took part. Researchers w…

This study looked at how the virus that causes COVID-19 reduces the number of infection-fighting white blood cells (lymphocytes) in the blood. Researchers collected blood samples and medical records from 240 adults with or recovering from COVID-19. The goal was to learn more abou…

This completed Phase 1 study gave a single IV dose of the antiviral PF-07304814 to 5 healthy adults. Researchers measured how much of the drug ended up in urine and feces, and how it was processed in the blood. The goal was simply to understand the drug's breakdown and eliminatio…